Question about 1990 Chrysler Imperial

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1990 Chrysler Imperial Bottom line - Does not charge Problem is NOT the battery or alternator. New battery is fully charged, TWO new alternators installed (last one checked at purchase, works fine)... car starts up, everything works perfect EXCEPT it does not charge battery. Plug somewhere? Wire somewhere? What could be the problem?

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  • norm_welch Oct 16, 2010

    ok, thanks for the answer but...

    There is a black plastic piece that mounts to the alternator... ALL wire go to and run out of this black plastic casing.

    On one side only one big wire runs out and hooks/bolts onto the alternator.

    One the other side of the black plastic casing 4 or 5 wires run out and head in the direction of the battery where they "seem" to end in 3 separate plugs - plug in connectors.

    Where is the fuse? Inside the sealed black casing on top of the alternator? or where?

  • norm_welch Oct 16, 2010

    ok, thanks... last question

    As a "temporary" fix can I bypass the sealed black casing (cut the wires of each end of it) and simply twist the wires together? I need to drive 700 miles NOW...

    And since I must locate and purchase this mickey mouse sealed black casing anyway it doesn't matter that I destroy it... will it burn up anything? or will it make it 700 miles? what do you think?

  • norm_welch Oct 16, 2010

    ok, thanks, last question.

    Can I bypass this black casing temporarily? In other words... can I cut the wires on each end of it and simply twist them together? I need to go 700 miles NOW.

    Since I have to replace the black casing anyway... it doesn't matter that it gets destroyed. Can something burn up by bypassing? or will it be ok for a 700 mile trip? Your opinion please...

  • norm_welch Oct 16, 2010

    yes, excellent !!!!



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There is a dark blue and black wire running from the alternator. The black wire has a fusible link that is in the black wire and must be blown. Follow the black lead to the fused link and repair.

Posted on Oct 16, 2010

  • GetMeOttaHere Oct 16, 2010

    Inside the sealed black casing. The best option is to use an ohm meter and see if there is continuity from one side of the black casing to the other side of the black casing. If you do not read continuity, than the fuse is blown.

  • GetMeOttaHere Oct 16, 2010

    No. Do not remove and splice together. The fuse may have blown due to another problem. If the fuse is removed or by passed and heats the wire, the wire will catch fire!!! Replace the fuse with another fuse.



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Could be a bad battery or a bad alternator, or both.

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Check your battery fluid levels and acidity concentration. Do not replenish fluid level with plain tap water as it will finally spell doom on the battery.

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